Main

Rajarshi Chattopadhyay


GitHub: github.com/likarajo
Website: likarajo.github.io
Portfolio: likarajo.github.io/Projects
LinkedIn: linkedin.com/in/likarajo
Articles: LinkedIn Articles
Blogs: likarajoblogs.wordpress.com
Digital Badges: youracclaim.com/users/likarajo
CV: likarajo.github.io/cv
Resume: likarajo.github.io/cv/resume
Email: likarajo@gmail.com
Phone: (469) 380-2696


Projects

Twitter Sentiments

Academic

University of Texas at Dallas

2019

  • A Spark Streaming application for live tweets sentiment analysis.

Tech/Skills: Scala, SBT, Spark, Twitter API, Zookeeper, Kafka, ElasticSearch, Logstash, Kibana

Repo: github.com/likarajo/twitter_sentiments

Link: likarajo.github.io/twitter_sentiments

House Price Prediction

Academic

University of Texas at Dallas

2019

  • Analyzing house price data from Kaggle and building a model using the data which can be used to predict the final price of a house.

Tech/Skills: Python, Feature-engineering, AWS S3 EC2 EMR, Spark, Scala, Regression

Repo: github.com/likarajo/house_price

Link: likarajo.github.io/house_price

Face recognition

Personal

N/A

2019

  • Image recording, preparing image data, and training with pre-built Haar-cascade classifier to recognize face.

Tech/Skills: numpy, cv2, python, Haar-cascade classifier

Repo: github.com/likarajo/face_recognition

Link: likarajo.github.io/face_recognition

Chatbot

Personal

N/A

2019

  • A chat bot designed to simulate conversation with users base on Artificial Intelligence.

Tech/Skills: AI, AIML, Python, Flask

Repo: github.com/likarajo/chatbot

Link: N/A

Sentiment of Movie Review

Personal

N/A

2020

  • Deep Learning model built with NN, CNN, RNN using pretrained GloVe word embeddings from Stanford Core NLP

Tech/Skills: Python3, NLP, Neural Networks, Keras, tensorflow, Scikit-learn

Repo: github.com/likarajo/movie_sentiment

Link: N/A

Kinship

Personal

N/A

2017

  • A tool that finds out what are the related words (kins) to a particular word that twitter users have tweeted.

Tech/Skills: Python3, Twitter API, TKinter

Repo: github.com/likarajo/kinship

Link: likarajo.github.io/kinship

Personal Website V3

Personal

N/A

2019

  • Version 3 of my portfolio website.

Tech/Skills: JS, Gatsby, Netlify, GitHub-Pages

Repo: github.com/likarajo/website

Link: likarajo.github.io

Airport Rank

Academic

University of Texas at Dallas

2019

  • Rank top airports based on self-implemented Page Rank values computed using their connections data from Bureau of Transportation Statistics.

Tech/Skills: Spark, Scala, Page rank

Repo: github.com/likarajo/AirportRank

Link: N/A

News Topic Modelling

Academic

University of Texas at Dallas

2019

  • Find out topic of news from CNN news data

Tech/Skills: Spark, Scala, Latent-Dirichlet-Allocation

Repo: github.com/likarajo/topics

Link: N/A

Text to Number

Personal

Project

2019

  • Implementation of Text Vectorization methods - Bag-of-words, TF-IDF, Ngrams

Tech/Skills: Python3, Scikit-learn, nltk, Bag-of-words, TF-IDF, Ngrams

Repo: github.com/likarajo/text2number

Link: N/A

Social Network Analysis

Academic

University of Texas at Dallas

2019

  • Analysing a social network of users liking each other’s posts created in a graph structure.

Tech/Skills: Spark, Scala, GraphX

Repo: github.com/likarajo/social_network

Link: N/A

Crimes Analysis

Academic

University of Texas at Dallas

2019

  • Finding the crimes cluster in a region using Kmeans clustering as silhouette.

Tech/Skills: Spark, Scala, Kmeans-clustering

Repo: github.com/likarajo/crimes

Link: N/A

Car Analysis

Academic

University of Texas at Dallas

2019

  • Classify cars as automatic or manual.
  • Predict mileage of cars.

Tech/Skills: Spark, Scala, Support-Vector-Classifier, Decision-Tree, Logistic-regression, Linear-Regression

Repo: github.com/likarajo/car_analysis

Link: N/A

Sentiment on US Airline

Academic

University of Texas at Dallas

2019

  • Analyzing sentiment on US Airlines with Logistic Regression, Random Forest classifier, Naive-Bayes classifier using tweets data on US Airline.

Tech/Skills: Scala, Spark, Classification

Repo: github.com/likarajo/usairline_sentiment

Link: N/A

Sentiment of a sentence

Academic

University of Texas at Dallas

2019

  • Used dataset of labelled sentences from Yelp, Amazon, IMDB to learn a model and use the same to analyze the sentiment of new sentences.

Tech/Skills: Scala, TF-IDF, Classification

Repo: github.com/likarajo/sentence_sentiment

Link: N/A

Earthquakes

Personal

N/A

2019

  • Fetch data from USGS and plot areas across the world that had a 4.5+ earthquake in the last 24 hours.

Tech/Skills: Python, Basemap, Conda

Repo: github.com/likarajo/earthquakes

Link: N/A

Temperature Anomaly

Personal

N/A

2019

  • Fetch data from NASA and plot regions on map that are fire hazards with high temperature anomaly.

Tech/Skills: Python, Basemap, Conda

Repo: github.com/likarajo/hightemp

Link: N/A

Recommender System

Academic

University of Texas at Dallas

2019

  • A recommender systems built using Collaborative filtering on ratings data.
  • Used Alternating least squares (ALS) algorithm to learn the latent factors.

Tech/Skills: Scala, Spark, Collaborative-Filtering, Alternating-Least-Squares-Algorithm, Latent-factors

Repo: github.com/likarajo/recommender

Link: N/A

Dimensionality Reduction

Academic

University of Texas at Dallas

2019

  • Built a Support Vector Machine (SVM) Classifier model with Stochastic Gradient Decent (SGD) for Principal Component Analysis and Spectral Clustering.

Tech/Skills: Python3, SVM-Classifier, Principal-Component-Analysis, Spectral-Clustering

Repo: github.com/likarajo/dimensionality_reduction

Link: N/A

Ensemble Methods

Academic

University of Texas at Dallas

2019

  • Self-implementation of Bagging and Boosting on Decision Tree ID3 algorithm.
  • Comparing it with Scikit Learn implementation using Mushroom Data Set.

Tech/Skills: Python3, Decision-Tree, ID3, Bagging, Boosting, Scikit-Learn

Repo: github.com/likarajo/decision_tree_ensemble

Link: N/A

Decison Tree ID3

Academic

University of Texas at Dallas

2019

  • Self-implementation of Decision Tree ID3 algorithm.
  • Comparing it with Scikit Learn implementation using MONK’s Problems and Tic-Tac-Toe Endgame Data Set.

Tech/Skills: Python3, Decision-Tree, ID3, Scikit-Learn

Repo: github.com/likarajo/decision_tree

Link: N/A

Breast Cancer Diagnosis

Academic

University of Texas at Dallas

2019

  • Model built for diagnosing and predicting Breast Cancer with Support Vector Machine using Wisconsin Breast Cancer diagnostic data set.

Tech/Skills: Python, Scikit-Learn, Support-Vector-Classifier

Repo: github.com/likarajo/breastcancer_diagnosis

Link: N/A

Titanic Survival

Personal

N/A

2019

  • Titanic survival prediction with Decision Tree classifier using dataset from Kaggle Competetion.

Tech/Skills: Spark, Scala, Decision-Tree-Classifier

Repo: github.com/likarajo/titanic_survival

Link: N/A

Tetris Game

Academic

University of Texas at Dallas

2019

  • A tetris UI game built as part of Computer Graphics curriculum.

Tech/Skills: Java, AWT, Swing

Repo: github.com/likarajo/tetris

Link: N/A

CICD

Personal

N/A

2018

  • Continuous Integration and continuous deployment using Jenkins.

Tech/Skills: Jenkins, DevOps

Repo: github.com/likarajo/devops-helloworld

Link: likarajo.github.io/devops-helloworld

911Calls

Personal

N/A

2018

  • Data Science and visualization on 911 calls data.

Tech/Skills: Python3

Repo: github.com/likarajo/ds911calls

Link: N/A

MQ Reporting Tools

Professional

IBM

2015

  • Developed a Java UI for daily queue status report generation for the core application on a single click eliminating manual effort.

Tech/Skills: Java, SWT, Unix, Bash

Repo: github.com/likarajo/mqreporting

Link: N/A

MQ Statistics Tools

Professional

IBM

2015

  • Automated daily queue status monitoring and reporting for the core application eliminating manual effort.

Tech/Skills: Unix, Bash

Repo: github.com/likarajo/mqstats

Link: N/A

Rock Paper Scissor game

Personal

N/A

2017

  • A One-player rock paper scissor game built using Python

Tech/Skills: Python3, TKinter

Repo: github.com/likarajo/rock-paper-scissor

Link: likarajo.github.io/rock-paper-scissor

Dallas Care

Academic

N/A

2018

  • Relational database designed for a hospital

Tech/Skills: N/A

Repo: github.com/likarajo/DallasCare

Link: N/A

Clock

Personal

N/A

2017

  • An online clock that can be customized; can be reused in any web page.

Tech/Skills: HTML, CSS, JS

Repo: github.com/likarajo/clock

Link: likarajo.github.io/clock

Brick Breaker Game

Personal

N/A

2016

  • A One-player brick breaker game built using Javascript

Tech/Skills: HTML, CSS, JS

Repo: github.com/likarajo/brickbreaker

Link: likarajo.github.io/brickbreaker

Writings

Containerization

Personal

N/A

2018

  • A beginners guide for Creating and Publishing Docker Image for a Python app.

Tech/Skills: Containerization, Docker

Repo: N/A

Link: likarajoblogs.wordpress.com/2018/10/02/creating-and-publishing-docker-image-for-a-python-app

CICD

Personal

N/A

2018

  • A guide to learn the use of Jenkins for Continuous Integration and Continuous Deployment of projects.

Tech/Skills: Containerization, Docker, Jenkins, DevOps

Repo: N/A

Link: likarajoblogs.wordpress.com/2018/12/29/devops-continuous-integration-and-continuous-deployment

Python UI Game

Personal

N/A

2018

  • A guide to build and containerize a GUI application

Tech/Skills: Containerization, Docker, Jenkins, Python3, Tkinter

Repo: N/A

Link: linkedin.com/pulse/basics-python-tkinter-rajarshi-chattopadhyay

Summer 2019 Internship Experience

Professional

Copart Inc

2019

  • An article based on my learning outcomes and experience during my Summer internship at Copart

Tech/Skills: N/A

Repo: N/A

Link: linkedin.com/pulse/software-engineer-internship-experience-summer-2019-chattopadhyay

RISC Processor using Harvard Architecture

Academic

West Bengal University of Technology

2014

  • Based on my Bachelor’s Thesis: Overview of designing and developing a Reduced Instruction Set Computing microprocessor, using Harvard Architecture.

Tech/Skills: RISC, Harvard-Architecture, Microprocessor, Assembly-language

Repo: N/A

Link: likarajoblogs.wordpress.com/2018/06/08/risc-using-harvard

Functional and Object Oriented Programming

Personal

N/A

2019

  • An article based on my learning outcomes from attending and informational session on Functional Programming.

Tech/Skills: Fucntional-Programming, OOP

Repo: N/A

Link: linkedin.com/pulse/functional-vs-object-oriented-programming-rajarshi-chattopadhyay

Big Data in Agriculture

Personal

N/A

2018

  • My thoughts on use of big data in agriculture in the modern modern world.

Tech/Skills: N/A

Repo: N/A

Link: likarajoblogs.wordpress.com/2018/06/04/bigdatainagriculture

Disclaimer

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Last updated on 2019-12-11